Osmia Panzer, 1806
(mason bees)

Subtaxon	Rank	No of images	No of ID refs
Osmia aurulenta Gold-fringed Mason Bee	Species	5 images
Osmia bicolor Two-coloured Mason Bee, Red-tailed Mason Bee	Species	6 images
Osmia bicornis Red Mason Bee or Masonry Bee	Species	16 images	2 ident. refs
Osmia inermis Mountain Mason Bee	Species		1 ident. refs
Osmia xanthomelana Large Mason Bee, Cliff Mason Bee	Species		1 ident. refs

Taxonomic hierarchy:

Genus	Osmia (mason bees)
Family	MEGACHILIDAE (a family of solitary bees)
Superfamily	APOIDEA (solitary and hive bees)
Infraorder	Aculeata (aculeates: bees, wasps and ants)
Suborder	APOCRITA (bees, wasps, ants and parasitoids)
Order	HYMENOPTERA (ants, bees and wasps, sawflies and parasitoid wasps)
Division	Endopterygota (bees, beetles, flies, moths and other insects with wings developing internally)
Infraclass	Neoptera (bees, beetles, flies, grasshoppers, moths and other advanced insects)
Subclass	PTERYGOTA (bees, beetles, dragonflies, flies, grasshoppers, moths and other winged insects)
Class	INSECTA (true insects)
Subphylum	HEXAPODA (insects and other 6-legged organisms)
Phylum	ARTHROPODA (arthropods)
Superphylum	ECDYSOZOA (skin shedders)
Clade	Bilateria (bilaterally symmetrical animals)
Subkingdom	EUMETAZOA (metazoans)
Kingdom	ANIMALIA (animals)
Domain	Eukaryota (eukaryotes)
Life	BIOTA (living things)

Osmia is also a member of:
Invertebrates - Invertebrates (via Arthropoda)

Osmia (mason bees) may be included in identification literature listed under the following higher taxa:

APOIDEA
(solitary and hive bees)

Aculeata
(aculeates: bees, wasps and ants)

APOCRITA
(bees, wasps, ants and parasitoids)

HYMENOPTERA
(ants, bees and wasps, sawflies and parasitoid wasps)

INSECTA
(true insects)

HEXAPODA
(insects and other 6-legged organisms)

ARTHROPODA
(arthropods)

ANIMALIA
(animals)

Eukaryota
(eukaryotes)

BIOTA
(living things)

NBN (data.nbn.org.uk) has a distribution map for Osmia (mason bees)

BioInfo (www.bioinfo.org.uk) has 23 host/parasite/foodplant and/or other relationships for Osmia (mason bees)

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Photographs from other photographers are used with permission but not included under the above CC licence.

Taxonomic hierarchy:

Osmia is also a member of:

BioImages - Virtual Field-Guide (UK)